package com.example.hotelback.exception;

import com.example.hotelback.utils.Result;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.web.bind.annotation.ControllerAdvice;
import org.springframework.web.bind.annotation.ExceptionHandler;
import org.springframework.web.bind.annotation.ResponseBody;

import javax.servlet.http.HttpServletRequest;

/**
 * ControllerAdvice 提供了多种指定Advice规则的定义方式，默认什么都不写，则是Advice所有Controller
 * @ControllerAdvice(basePackages="org.my.pkg"), 则匹配org.my.pkg包及其子包下的所有Controller
 * 也可以用数组的形式指定，如：@ControllerAdvice(basePackages={"org.my.pkg", "org.my.other.pkg"})
 *
 */
@ControllerAdvice(basePackages = "com.example.hotelback.controller")
public class GlobalExceptionHandler {

    private static final Logger log = LoggerFactory.getLogger(GlobalExceptionHandler.class);

    //统一异常处理@ExceptionHandler 主要用于Exception
    @ExceptionHandler(Exception.class)
    @ResponseBody
    public Result error(HttpServletRequest request, Exception e) {
        log.error("异常信息", e);
        return Result.error("系统异常");
    }

    //自定义异常
    @ExceptionHandler(CustomException.class)
    @ResponseBody
    public Result loginError(HttpServletRequest request, CustomException e) {
        return Result.error(e.getMsg());
    }

}
